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Searching for Extraterrestrial Intelligence by H. Paul Shuch Pdf
This book is a collection of essays written by the very scientists and engineers who have led, and continue to lead, the scientific quest known as SETI, the search for extraterrestrial intelligence. Divided into three parts, the first section, ‘The Spirit of SETI Past’, written by the surviving pioneers of this then emerging discipline, reviews the major projects undertaken during the first 50 years of SETI science and the results of that research. In the second section, ‘The Spirit of SETI Present’, the present-day science and technology is discussed in detail, providing the technical background to contemporary SETI instruments, experiments, and analytical techniques, including the processing of the received signals to extract potential alien communications. In the third and final section, ‘The Spirit of SETI Future’, the book looks ahead to the possible directions that SETI will take in the next 50 years, addressing such important topics as interstellar message construction, the risks and assumptions of interstellar communications, when we might make contact, what aliens might look like and what is likely to happen in the aftermath of such a contact.
Author : Douglas A. Vakoch Publisher : State University of New York Press Page : 523 pages File Size : 45,5 Mb Release : 2011-04-01 Category : Science ISBN : 9781438437958
Communication with Extraterrestrial Intelligence (CETI) by Douglas A. Vakoch Pdf
In April 2010, fifty years to the month after the first experiment in the Search for Extraterrestrial Intelligence (SETI), scholars from a range of disciplines—including astronomy, mathematics, anthropology, history, and cognitive science—gathered at NASA's biennial Astrobiology Science Conference (AbSciCon) for a series of sessions on the search for intelligent life. This book highlights the most recent developments in SETI discussed at that conference, emphasizing the ways that SETI has grown since its inception. The volume covers three broad themes: First, leading researchers examine the latest developments in observational SETI programs, as well as innovative proposals for new search strategies and novel approaches to signal processing. Second, both proponents and opponents of "Active SETI" debate whether humankind should be transmitting intentional signals to other possible civilizations, rather than only listening. Third, constructive proposals for interstellar messages are juxtaposed with critiques that ask whether any meaningful exchange is possible with an independently evolved civilization, given the constraints of contact at interstellar distances, where a round-trip exchange could take centuries or millennia. As we reflect on a half-century of SETI research, we are reminded of the expansion of search programs made possible by technological and conceptual advances. In this spirit of ongoing exploration, the contributors to this book advocate a diverse range of approaches to make SETI increasingly more powerful and effective, as we embark on the next half-century of searching for intelligence beyond Earth.
Author : Ronald D. Ekers,D. Kent Cullers Publisher : S E T I Press Page : 549 pages File Size : 44,9 Mb Release : 2002 Category : Body, Mind & Spirit ISBN : 0966633539
If you are interested in how researchers plan to search the heavens for signs of intelligent life, you should have this book. SETI 2020 is a new, and remarkably comprehensive study of how scientists busy with the Search for Extraterrestrial Intelligence (SETI) should direct their efforts between now and the year 2020. Distilling the work of dozens of top SETI experts, astronomers, and technology mavens, this book gives an overview of the problem of finding evidence for extraterrestrial technologies, and how to best address it. New radio telescopes consisting of large arrays of relatively small antennas are proposed and detailed. So are new types of antennas that can survey the entire sky at once. Of particular interest is the extensive treatment of optical SETI -- the search for signals beamed our way using high-powered, pulsed lasers or their equivalent. A book that's interesting for both the layman and the technically sophisticated, SETI 2020 is the definitive publication in this fascinating field.
The Search for Extra Terrestrial Intelligence by David Lamb Pdf
Is the Search for Extra Terrestrial Intelligence a genuine scientific research programme? David Lamb evaluates claims and counter-claims, and examines recent attempts to establish contact with other intelligent life forms. He considers the benefits and drawbacks of this communication, how we should communicate and whether we actually can. He also assesses competing theories on the origin of life on Earth, discoveries of former solar planets, proposals for space colonies and the consequent technical and ethical issues.
"A cogent, engaging history of humanity's most ambitious quest--seeking outward for other minds."--David Brin, author of Existence "A fascinating perspective on humankind's obsession for knowing if there is anyone else out there."--Gerrit L. Verschuur, author of The Invisible Universe: The Story of Radio Astronomy "Squeri has written what will likely be the definitive history of the early days of SETI that includes profiles of some of its leading characters."--Ben Zuckerman, coeditor of Extraterrestrials: Where Are They? "An insightful history that explores the scientific foundations of the modern-day search for our place in the cosmos. Waiting for Contact delivers unparalleled access to the inner history of SETI and invites us to ride along on the journey to answer one of science's ultimate questions: Are we alone?"--Douglas Vakoch, president, METI International "Waiting for Contact is a balanced account, telling the tale of the search for extraterrestrial intelligence without the overpromise usually trumpeted by enthusiastic proponents and the hyperventilation so commonly added by UFO enthusiasts. If you are simply interested in the history, unvarnished by an agenda, you'll enjoy this book."--Don Lincoln, author of Alien Universe: Extraterrestrial Life in Our Minds and in the Cosmos Imagine a network of extraterrestrials in radio contact with each other across the universe, superior beings who hail from advanced civilizations quadrillions of miles away, just waiting for Earth to tune in. Some people believe it’s only a matter of time before we discover the right "station." Waiting for Contact tells the story of the Search for Extraterrestrial Intelligence (SETI) movement, which emerged in 1959 as astronomers began using radio telescopes to listen for messages from space. New technological developments turned what once was speculation into science. Boosted by support from Frank Drake, Philip Morrison, Carl Sagan, and the genre of science fiction, the SETI movement gained followers and continues to capture imaginations today. In this one-of-a-kind history, Lawrence Squeri looks at the people, reasons, goals, and mindsets behind SETI. He shows how it started as an expression of the times, a way out of Cold War angst with hope for a better world. SETI's early advocates thought that with guidance from technically and ethically advanced outsiders, humanity might learn how to avoid horrors like nuclear annihilation and societal collapse from overpopulation. Some hoped that good news from outer space might reveal a cure for cancer or even the secret of immortality. Squeri also describes the challenges SETI has faced over the years: the struggle to be taken seriously by the scientific community and by NASA, competition for access to radio telescopes, perpetual lack of funding, and opposition from influential politicians. He covers the rise and fall of Soviet SETI and the few rare meetings between Soviet and American astronomers. Despite many setbacks, the movement pressed forward with the aid of private donations and developed outreach programs. Volunteers can now help search for new civilizations on their personal computers by joining the SETI@Home project. Today, SETI researchers continue to see themselves as explorers. They often identify with Columbus, and just as Columbus never realized the full implications of his discovery, we cannot predict what will happen if contact is made. This book points out that if, against all expectations, the embattled SETI movement finally succeeds, the long-awaited first signal picked up by its radio antennas will usher the greatest shift in human history. A new adventure will begin. Lawrence Squeri is professor emeritus of history at East Stroudsburg University.
Seventeen year old Sam Alexander has a mission: to finish his dead father's crusade to locate deep-space radio signals from extraterrestrial civilizations. He uses his powerful computer and radio equipment to search the electromagnetic spectrum for a message from deep space, and finds one. But when he shares his discovery with his father's friends at NASA, Sam's trust is betrayed and his equipment is stolen. With the next alien contact imminent, Sam makes a move that plunges him into desperate competition with powerful opponents all trying to get credit for this earth shaking discovery. Unless he can find a way to outwit them all, Sam's first contact might be earth's last.
Extraterrestrial Intelligence and Human Imagination by John Traphagan Pdf
The search for extraterrestrial intelligence (SETI) represents one of the most significant crossroads at which the assumptions and methods of scientific inquiry come into direct contact with—and in many cases conflict with—those of religion. Indeed, at the core of SETI is the same question that motivates many interested in religion: What is the place of humanity in the universe? Both scientists involved with SETI (and in other areas) and those interested in and dedicated to some religious traditions are engaged in contemplating these types of questions, even if their respective approaches and answers differ significantly. This book explores this intersection with a focus on three core points: 1) the relationship between science and religion as it is expressed within the framework of SETI research, 2) the underlying assumptions, many of which are tacitly based upon cultural values common in American society, that have shaped the ways in which SETI researchers have conceptualized the nature of their endeavor and represented ideas about the potential influence contact might have on human civilization, and 3) what sort of empirical evidence we might be able to access as a way of thinking about the social impact that contact with alien intelligence might have for humanity, from both religious and cultural perspectives. The book developed as a result of a course the author teaches at the University of Texas at Austin: Religion, Science, and the Search for Extraterrestrial Intelligence.
"Are there beings in some sense like you, elsewhere in the universe, or are we the only ones around? It's one of the most basic questions there is." --Carl SaganCarl Sagan, when asked his assessment of the importance of the search for extraterrestrial intelligence (SETI), replied, "You find out who you are. It's a basic question. Are there beings in some sense like you, elsewhere in the universe, or are we the only ones around? It touches deeply into myth, folklore, religion, mythology; and every human culture in some way or another has wondered about that kind of question. It's one of the most basic questions there is." Why did some scientists decide to conduct a search for extraterrestrial intelligence? What factors in their personal development predisposed them to such a quest? What obstacles did they encounter along the way? To learn about their search, to preserve historical information not otherwise available, and to discover more about how scientific fields originate and develop, sociologist David Swift interviewed the first scientists to be involved in this fascinating quest. These SETI Pioneers reveal not only their involvement in the search, but also the facets of their personal backgrounds that led them to participate--family, education, intellectual growth--and their speculations about the nature of extraterrestrial life. Each interviewee is asked the same set of questions to facilitate comparison of how their careers developed. Introductory text by Swift reviews the emergence of SETI and early attempts to detect extraterrestrial life; a concluding interview with Paul Horowitz, a leader in the new generation of SETI scientists, reflects on the contributions of the pioneers. While a host of books have considered the search for extraterrestrial intelligence, none has considered the motivations of the individuals who initiated it; nor have any books documented from the participant's perspective the emergence of a new field of science while it was actually evolving. This collection of interviews thus sheds important light not only on the search for other life forms in our universe, but also on the nature of scientific discovery.
Confessions of an Alien Hunter by G. Seth Shostak Pdf
News that would change the world -- Inklings of ET -- Why would anyone believe they're out there? -- Could they be here? -- Turning ears to the skies -- Eureka -- Beyond gray and hairless.
SETI has become a popular past time with the release of the SETI @ home screen saver, which analyzes data from the Arecibo radio telescope for signs of extraterrestrial life. This book explains how likely it is that someone will be found, what kind of signals are being looked for, and how to communicate with them.
Author : Ellen Jackson Publisher : Houghton Mifflin Harcourt Page : 68 pages File Size : 55,7 Mb Release : 2002 Category : Life on other planets ISBN : 9780618548866
Looking for Life in the Universe by Ellen Jackson Pdf
Investigates how scientists, particularly Jill Tarter, Director of the SETI Institute in Mountain View, California, use twenty-first century technology to investigate whether life exists on other planets.